EntityConversionConfig::constructFromOption

static function constructFromOption(
	string $optionValue,
	int $srcEntityTypeId,
	array $options = null
): ?EntityConversionConfig
{
	$params = $optionValue !== '' ? unserialize($optionValue, ['allowed_classes' => false]) : null;
	if(!is_array($params))
	{
		return null;
	}

	//todo use static::createFromExternalized here (have to pass $options into a serialized array)
	$item = static::create($srcEntityTypeId, $options);
	$item->internalize($params);
	return $item;
}